With the motion “Beauty contests should be abolished”, the debater may define the motion as “The beauty contests whose contestants are under 18 should not be allowed”. Which of the following steps have been taken in this process? 
A、The key words “ beauty contests” and “abolished” are located.
B、The literal meaning of the term “beauty contests” is given as “ competitions traditionally focusing on judging and ranking the physical attributes of the contestants”.
C、The literal meaning of the term “be abolished” is given as “ not be allowed”.
D、The key term “beauty contests” is narrowed down as “the beauty contests whose contestants are under 18”.